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diff --git a/app/display/gimpcanvashandle.h b/app/display/gimpcanvashandle.h
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+++ b/app/display/gimpcanvashandle.h
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcanvashandle.h
+ * Copyright (C) 2010 Michael Natterer <mitch@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_CANVAS_HANDLE_H__
+#define __GIMP_CANVAS_HANDLE_H__
+
+
+#include "gimpcanvasitem.h"
+
+
+#define GIMP_CANVAS_HANDLE_SIZE_CIRCLE 13
+#define GIMP_CANVAS_HANDLE_SIZE_CROSS 15
+#define GIMP_CANVAS_HANDLE_SIZE_CROSSHAIR 43
+#define GIMP_CANVAS_HANDLE_SIZE_LARGE 25
+#define GIMP_CANVAS_HANDLE_SIZE_SMALL 7
+
+
+#define GIMP_TYPE_CANVAS_HANDLE (gimp_canvas_handle_get_type ())
+#define GIMP_CANVAS_HANDLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CANVAS_HANDLE, GimpCanvasHandle))
+#define GIMP_CANVAS_HANDLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CANVAS_HANDLE, GimpCanvasHandleClass))
+#define GIMP_IS_CANVAS_HANDLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CANVAS_HANDLE))
+#define GIMP_IS_CANVAS_HANDLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CANVAS_HANDLE))
+#define GIMP_CANVAS_HANDLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CANVAS_HANDLE, GimpCanvasHandleClass))
+
+
+typedef struct _GimpCanvasHandle GimpCanvasHandle;
+typedef struct _GimpCanvasHandleClass GimpCanvasHandleClass;
+
+struct _GimpCanvasHandle
+{
+ GimpCanvasItem parent_instance;
+};
+
+struct _GimpCanvasHandleClass
+{
+ GimpCanvasItemClass parent_class;
+};
+
+
+GType gimp_canvas_handle_get_type (void) G_GNUC_CONST;
+
+GimpCanvasItem * gimp_canvas_handle_new (GimpDisplayShell *shell,
+ GimpHandleType type,
+ GimpHandleAnchor anchor,
+ gdouble x,
+ gdouble y,
+ gint width,
+ gint height);
+
+void gimp_canvas_handle_get_position (GimpCanvasItem *handle,
+ gdouble *x,
+ gdouble *y);
+void gimp_canvas_handle_set_position (GimpCanvasItem *handle,
+ gdouble x,
+ gdouble y);
+
+gint gimp_canvas_handle_calc_size (GimpCanvasItem *item,
+ gdouble mouse_x,
+ gdouble mouse_y,
+ gint normal_size,
+ gint hover_size);
+
+void gimp_canvas_handle_get_size (GimpCanvasItem *handle,
+ gint *width,
+ gint *height);
+void gimp_canvas_handle_set_size (GimpCanvasItem *handle,
+ gint width,
+ gint height);
+
+void gimp_canvas_handle_set_angles (GimpCanvasItem *handle,
+ gdouble start_handle,
+ gdouble slice_handle);
+
+
+#endif /* __GIMP_CANVAS_HANDLE_H__ */